Millimeter-Wave High Radiation Efficiency Planar Waveguide Series-Fed Dielectric Resonator Antenna (DRA) Array: Analysis, Design, and Measurements

2011 ◽  
Vol 59 (8) ◽  
pp. 2834-2843 ◽  
Author(s):  
Wael M. Abdel-Wahab ◽  
Dan Busuioc ◽  
Safieddin Safavi-Naeini
Keyword(s):  
Millimeter Wave ◽  
Dielectric Resonator ◽  
Planar Waveguide ◽  
Radiation Efficiency ◽  
Dielectric Resonator Antenna ◽  
High Radiation ◽  
Array Analysis ◽  
Analysis Design

scholarly journals A Cylindrical Dielectric Resonator Antenna-Coupled Sensor Configuration for 94 GHz Detection

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
M. Kamran Saleem ◽  
M. Abdel-Rahman ◽  
Majeed Alkanhal ◽  
Abdelrazik Sebak
Keyword(s):  
Millimeter Wave ◽  
Dielectric Resonator ◽  
Radiation Efficiency ◽  
Center Frequency ◽  
Dielectric Resonators ◽  
Impedance Bandwidth ◽  
Antenna Gain ◽  
Dielectric Resonator Antenna ◽  
Wave Detection ◽  
Sensor Configuration

A novel antenna-coupled sensor configuration for millimeter wave detection is presented. The antenna is based on two cylindrical dielectric resonators (CDRs) excited by rectangular slots placed below the CDRs. TheHEM11Δmode resonating at 94 GHz is generated within the CDRs and a 3 GHz impedance bandwidth is achieved at center frequency of 94 GHz. The simulated antenna gain is 7.8 dB, with a radiation efficiency of about 40%.

scholarly journals Wideband millimeter wave rectangular dielectric resonator antenna for 5G applications

2020 ◽  
Vol 19 (2) ◽  
pp. 1088
Author(s):  
Abinash Gaya ◽  
Mohd Haizal Jamaluddin ◽  
Irfan Ali
Keyword(s):  
Millimeter Wave ◽  
Dielectric Resonator ◽  
Microstrip Line ◽  
High Efficiency ◽  
Axial Ratio ◽  
Radiation Efficiency ◽  
Dielectric Resonator Antenna ◽  
Frequency Range ◽  
Wide Bandwidth ◽  
Rectangular Dielectric Resonator Antenna

<span>A probe fed rectangular dielectric resonator antenna (DRA) is designed here for millimeter wave 5G applications. A wide bandwidth of 5GHz has been achieved with frequency range from 24.24GHz to 29. 20GHz. The calculated percentage banwidth is 19% centered at 26GHz. The DRA is fed by a probe with a microstrip line of unequal strip dimensions over the substrate. <br /> The measured gain of the antenna is 6.25dBi. The calculated radiation efficiency is 96%. The measured axial ratio bandwidth is from 24.08GHz to 23.90GHz, which is about 0.75 percentage bandwidth. The probe height above to the substrate is optimized to exite the DRA. The microstripline coupling is used to resonate the DRA at desizred resonating frequency. <br /> The widebandwidth with high efficiency achived here will make this antenna suitable for the 5G applications at band 30 GHz.</span>

scholarly journals Bandwidth Enhancement of Tri-band Rectangular Dielectric Resonator Antenna using Novel Offset Feed for WLAN/WIMAX Applications

2020 ◽  
Vol 9 (5) ◽  
pp. 2305-2308
Keyword(s):  
Dielectric Resonator ◽  
Microstrip Line ◽  
Return Loss ◽  
Radiation Efficiency ◽  
Antenna Design ◽  
Design Parameters ◽  
Dielectric Resonator Antenna ◽  
Bandwidth Enhancement ◽  
Frequency Bands ◽  
Rectangular Dielectric Resonator Antenna

In this article, a novel offset microstrip line feed Rectangular Dielectric Resonator Antenna is used for bandwidth enhancement. The parameters such as Bandwidth, Return Loss and Radiation efficiency are improved in the proposed antenna. A comparison is also shown for the proposed feed structure with and without conformal strips. The improvement in the bandwidth is observed from 25% to 65% by optimizing the antenna design parameters. It works in three frequency bands, that is, 2.03-3.69 GHz, 3.86-7.26 GHz, and 7.32-9.26 GHz. The proposed antenna is appropriate for WIMAX/WLAN applications.

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